28088162 has 4 divisors (see below), whose sum is σ = 42132246. Its totient is φ = 14044080.

The previous prime is 28088161. The next prime is 28088183. The reversal of 28088162 is 26188082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21893041 + 6195121 = 4679^2 + 2489^2 .

It is not an unprimeable number, because it can be changed into a prime (28088161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7022039 + ... + 7022042.

Almost surely, 2^28088162 is an apocalyptic number.

28088162 is a deficient number, since it is larger than the sum of its proper divisors (14044084).

28088162 is a wasteful number, since it uses less digits than its factorization.

28088162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14044083.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 28088162 is about 5299.8266009371. The cubic root of 28088162 is about 303.9772677485.

The spelling of 28088162 in words is "twenty-eight million, eighty-eight thousand, one hundred sixty-two".